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| author | Andrew Stubbs <ams@codesourcery.com> | 2021-05-07 15:31:05 +0100 |
|---|---|---|
| committer | Andrew Stubbs <ams@codesourcery.com> | 2021-05-07 23:47:38 +0100 |
| commit | 07d7d37d1a33efb04f1262e56f4b82d6e1089e75 (patch) | |
| tree | 9265b0ef8ef7bae044a42c212f73acf1a7b2911d /gcc/builtins.c | |
| parent | a87ceadf17b4a899f3e74e2da8b6b209461d2742 (diff) | |
| download | gcc-07d7d37d1a33efb04f1262e56f4b82d6e1089e75.zip gcc-07d7d37d1a33efb04f1262e56f4b82d6e1089e75.tar.gz gcc-07d7d37d1a33efb04f1262e56f4b82d6e1089e75.tar.bz2 | |
Ensure emit_move_insn operands are valid
Some architectures are fine with PLUS in move instructions, but others
are not (amdgcn is the motivating example).
2021-05-07 Jakub Jelinek <jakub@redhat.com>
Andrew Stubbs <amd@codesourcery.com>
gcc/ChangeLog:
PR target/100418
* builtins.c (try_store_by_multiple_pieces): Use force_operand for
emit_move_insn operands.
Diffstat (limited to 'gcc/builtins.c')
| -rw-r--r-- | gcc/builtins.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c index 6f67eb7..bc40bad 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -6775,9 +6775,10 @@ try_store_by_multiple_pieces (rtx to, rtx len, unsigned int ctz_len, /* Adjust PTR, TO and REM. Since TO's address is likely PTR+offset, we have to replace it. */ - emit_move_insn (ptr, XEXP (to, 0)); + emit_move_insn (ptr, force_operand (XEXP (to, 0), NULL_RTX)); to = replace_equiv_address (to, ptr); - emit_move_insn (rem, plus_constant (ptr_mode, rem, -blksize)); + rtx rem_minus_blksize = plus_constant (ptr_mode, rem, -blksize); + emit_move_insn (rem, force_operand (rem_minus_blksize, NULL_RTX)); } /* Iterate over power-of-two block sizes from the maximum length to @@ -6811,9 +6812,10 @@ try_store_by_multiple_pieces (rtx to, rtx len, unsigned int ctz_len, /* Adjust REM and PTR, unless this is the last iteration. */ if (i != sctz_len) { - emit_move_insn (ptr, XEXP (to, 0)); + emit_move_insn (ptr, force_operand (XEXP (to, 0), NULL_RTX)); to = replace_equiv_address (to, ptr); - emit_move_insn (rem, plus_constant (ptr_mode, rem, -blksize)); + rtx rem_minus_blksize = plus_constant (ptr_mode, rem, -blksize); + emit_move_insn (rem, force_operand (rem_minus_blksize, NULL_RTX)); } if (label) |